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This article is cited in 7 scientific papers (total in 7 papers)
$R$-matrix quantization of the elliptic Ruijsenaars–Schneider model
G. E. Arutyunov, S. A. Frolov, L. O. Chekhov Steklov Mathematical Institute, Russian Academy of Sciences
Abstract:
It is shown that the classical $L$-operator algebra of the elliptic Ruijsenaars–Schneider model can be realized as a subalgebra of the algebra of functions on the cotangent bundle over the centrally extended current group in two dimensions. It is governed by two dynamical $r$ and $\bar r$-matrices satisfying a closed system of equations. The corresponding quantum $R$ and $\overline R$-matrices are found as solutions to quantum analogs of these equations. We present the quantum $L$-operator algebra and show that the system of equations for $R$ and $\overline R$ arises as the compatibility condition for this algebra. It turns out that the $R$-matrix is twist-equivalent to the Felder elliptic $R^F$-matrix with $\overline R$ playing the role of the twist. The simplest representation of the quantum $L$-operator algebra corresponding to the elliptic Ruijsenaars–Schneider model is obtained. The connection of the quantum $L$- operator algebra to the fundamental relation $RLL=LLR$ with Belavin's elliptic $R$-matrix is established. Asa byproduct of our construction, we find a new $N$-parameter elliptic solution to the classical Yang–Baxter equation.
Received: 30.12.1996
Citation:
G. E. Arutyunov, S. A. Frolov, L. O. Chekhov, “$R$-matrix quantization of the elliptic Ruijsenaars–Schneider model”, TMF, 111:2 (1997), 182–217; Theoret. and Math. Phys., 111:2 (1997), 536–562
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https://www.mathnet.ru/eng/tmf1001https://doi.org/10.4213/tmf1001 https://www.mathnet.ru/eng/tmf/v111/i2/p182
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